From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
The optional operation can be used by entities to report whether two
pads are internally connected.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
include/media/media-entity.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index cbb266f..c4b2dca 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -179,6 +179,9 @@ struct media_pad {
* @link_validate: Return whether a link is valid from the entity point of
* view. The media_entity_pipeline_start() function
* validates all links by calling this operation. Optional.
+ * @has_route: Return whether a route exists inside the entity between
+ * two given pads. Optional. If the operation isn't
+ * implemented all pads will be considered as connected.
*
* Note: Those these callbacks are called with struct media_device.@graph_mutex
* mutex held.
@@ -188,6 +191,8 @@ struct media_entity_operations {
const struct media_pad *local,
const struct media_pad *remote, u32 flags);
int (*link_validate)(struct media_link *link);
+ bool (*has_route)(struct media_entity *entity, unsigned int pad0,
+ unsigned int pad1);
};
/**
--
2.8.3
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